1 Expansion tank for coolant
2 Sealing cap
3 MAX - Maximum coolant level
4 MIN - Minimum coolant level
5 Drain plug on the radiator
6 Gasket
7 Oil cooler
8 Hose clamp
9 Bottom coolant hose
10 Connector on the oil cooler
Procedure
Step Activity
1 Position a suitable container to collect the used coolant (approx.
12.5 liters for the Hatz standard radiator or 13.2 liters for the
HATZ OpenPowerUnit radiator).
2 Open the sealing cap (2) of the expansion tank (1).
3 Unscrew the drain plug (5) and drain the coolant into the con-
tainer.
4 Screw in the drain plug (5) with a new gasket (6) and tighten.
5 Place the collecting contain under the oil cooler (7).
6 Release the hose clamp (8) on the bottom coolant hose (9) and
pull off the hose.
7 Drain coolant out of the oil cooler (10) and then reconnect the
bottom coolant hose.
Maintenance 4H50TIC
84 Operator's Manual
HATZ